If you have systolic blood pressure below 90 mm Hg, you should not take a nitrate.
If you have severe anemia, you should not take a nitrate.
If you have angle-closure or open-angle glaucoma, a nitrate may not be a good option for you.
Nitrates may not be a good option for you if you are pregnant, planning to become pregnant, or may be pregnant. It is not known if they are safe for pregnant women.
If you are breastfeeding, a nitrate may not be a good option for you. It is not known if these drugs can be passed into breast milk.
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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.